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A clarinetist, setting out for a performance, grabs his 3.37-kg clarinet case (including the clarinet) from the top of the piano and holds it in the air with an upward force of 38.0 N. Find the case's vertical acceleration. Indicate an upward acceleration as positive and a downward one as negative.
A farsighted man uses eyeglasses with a refractive power of 1.95 diopters. Wearing the glasses 0.02 m from his eyes, What is the correct contact lens prescription, in diopters
A car of mass 920.0 kg accelerates away from an intersection on a horizontal road. When the car speed is 41.0 km/hr (11.4 m/s), Calculate the acceleration of the car at that time
Points A and B have electric potentials of 320 and 160, respectively. When an electron released from rest at point A arrives at point C, its kinetic energy is.
Find the moment of inertia of the plate for an axis that lies in the plane of the plate, passes through the center of the plate, and is perpendicular to the axis in part A
A block of wood of mass 2 kg is suspended by long, light strings and is at rest. A bullet of mass 40 g, strikes and remains in the block, causing it to swing. The utmost height of the block above its rest position is 51 cm.
A spherical capacitor of inner radius 10 cm stores 10nC of charge when charged with 10V. Find s capacitance, its outer radius and the volume between the two spheres
A student decides to move a box of books into her dormitory room by pulling on a rope attached to the box, Find the acceleration of the box
find the coefficient of kinetic friction between the slide and the child.
An electron (mass: 9.11x10-31 kg; charge:1.60x10-19 C) moves from location A to location B solely under the influence of conservative forces, what is the speed of the electron at this point
A dish of hot food has an emissivity of 0.40 and emits 20 W of thermal radiation. If you wrap it in aluminium foil, which has an emissivity of 0.008, how much power would it radiate.
What is magnitude of the linear acceleration of the hoop . Elucidate using Newton's Second Law of Motion, why you can throw a golf ball further than a bowling ball, still though you throw both at the similar angle and with the same amount of force.
An asteroid is discovered heading straight toward Earth at 14km/s. An international team manages to attach a giant rocket engine to the asteroid. The rocket fires for 10 {rm min}, after which asteroid is moving at 26^circ to its original path at a..
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